added 131 version of the mod

changelog version 1.30.e:
police and slow vehicles spawn werew reduced
- harvester can now circulate only 2 hours in the morning and 2 hours in the evening (place mod above sound fixes pack to have this setting)
-solved possible issue with some barriers

changelog v1.30d:
-increased density in cities and motorways
-tweaked ratio cars/trucks; more cars at rush hours, more trucks outside rush hours on motorways
-less traffic on local roads, allowing easier overtaking
-reduced frequency values which allows some FPS gain (around 5 FPS in my PC)
-Ai vehicles turn on lights on bad weather and off when sunny (legislation for mandatory lights unchanged)
-less slow vehicles; harvester spawns 5 times less than then the tractor
-successfully tested on ProMods 2.26

-reduced frequency of car_city and truck_city
-removed truck_city from local roads
-removed few last pink colors of cars
-removed traffic on no_roads (agricultural roads) except for slow vehicles
-removed slow vehicles on expressways and cities (can still arrive there "by mistake")

v1.30.b:
-fixed issue on truck speed limits on route advisor
-increased safetey and patience factors; more drivers turn on lights on bad weather